Home / 103,741.66-155,514.06-51,089.65

Finding the Fourth Proportional to 103,741.66, 155,514.06 and 51,089.65

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Solution

The fourth proportional to 103,741.66, 155,514.06 and 51,089.65 is: 76,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,741.66 : 155,514.06 = 51,089.65 : x
  2. Step 2: Convert to fraction form
    103,741.66/155,514.06 = 51,089.65/x
  3. Step 3: Cross multiply
    103,741.66x = 155,514.06 × 51,089.65
  4. Step 4: Simplify right side
    103,741.66x = 7,945,158,895.48
  5. Step 5: Solve for x
    x = 7,945,158,895.48/103,741.66
  6. Step 6: Final answer
    x = 76,586.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.